Chair



FIG. 1 is a first perspective view of the chair;

FIG. 2 is a front view of the chair;

FIG. 3 is a rear view of the chair;

FIG. 4 is a left side view of the chair;

FIG. 5 is a right side view of the chair;

FIG. 6 is a top plan view of the chair; and,

FIG. 7 is a bottom plan view of the chair.

Portions of the article shown in broken lines form no part of the claimed design. 

CLAIM The ornamental design for a chair, as shown and described. 